Index: llvm/lib/CodeGen/CodeGenPrepare.cpp
===================================================================
--- llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -5838,13 +5838,19 @@
     if (isa<BitCastInst>(D)) {
       ValMap[D] = D->getOperand(0);
       DeletedInstrs.insert(D);
-    } else
-      ValMap[D] =
+    } else {
+      Instruction *N =
           new BitCastInst(D, ConvertTy, D->getName() + ".bc", D->getNextNode());
+      N->setDebugLoc(D->getDebugLoc());
+      ValMap[D] = N;
+    }
+  }
+  for (PHINode *Phi : PhiNodes) {
+    PHINode *N = PHINode::Create(ConvertTy, Phi->getNumIncomingValues(),
+                                 Phi->getName() + ".tc", Phi);
+    N->setDebugLoc(Phi->getDebugLoc());
+    ValMap[Phi] = N;
   }
-  for (PHINode *Phi : PhiNodes)
-    ValMap[Phi] = PHINode::Create(ConvertTy, Phi->getNumIncomingValues(),
-                                  Phi->getName() + ".tc", Phi);
   // Pipe together all the PhiNodes.
   for (PHINode *Phi : PhiNodes) {
     PHINode *NewPhi = cast<PHINode>(ValMap[Phi]);
@@ -5858,9 +5864,12 @@
     if (isa<BitCastInst>(U)) {
       DeletedInstrs.insert(U);
       U->replaceAllUsesWith(ValMap[U->getOperand(0)]);
-    } else
-      U->setOperand(0,
-                    new BitCastInst(ValMap[U->getOperand(0)], PhiTy, "bc", U));
+    } else {
+      Instruction *N =
+          new BitCastInst(ValMap[U->getOperand(0)], PhiTy, "bc", U);
+      N->setDebugLoc(U->getDebugLoc());
+      U->setOperand(0, N);
+    }
   }
 
   // Save the removed phis to be deleted later.
Index: llvm/test/CodeGen/AArch64/convertphitype.ll
===================================================================
--- llvm/test/CodeGen/AArch64/convertphitype.ll
+++ llvm/test/CodeGen/AArch64/convertphitype.ll
@@ -29,16 +29,16 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg !17
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !18
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !18
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !11, metadata !DIExpression()), !dbg !18
 ; DEBUG-NEXT:    br label [[END:%.*]], !dbg !19
 ; DEBUG:       else:
 ; DEBUG-NEXT:    [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4, !dbg !20
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float, !dbg !20
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LD]], metadata !13, metadata !DIExpression()), !dbg !20
 ; DEBUG-NEXT:    br label [[END]], !dbg !21
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ], !dbg !22
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !14, metadata !DIExpression()), !dbg !22
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !15, metadata !DIExpression()), !dbg !23
 ; DEBUG-NEXT:    ret float [[PHI_TC]], !dbg !24
@@ -81,11 +81,11 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]], !dbg !32
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !33
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !33
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !28, metadata !DIExpression()), !dbg !33
 ; DEBUG-NEXT:    br label [[END]], !dbg !34
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ], !dbg !35
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !29, metadata !DIExpression()), !dbg !35
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !30, metadata !DIExpression()), !dbg !36
 ; DEBUG-NEXT:    ret float [[PHI_TC]], !dbg !37
@@ -125,11 +125,11 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]], !dbg !47
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !48
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !48
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !42, metadata !DIExpression()), !dbg !48
 ; DEBUG-NEXT:    br label [[END]], !dbg !49
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[F:%.*]], [[ENTRY:%.*]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[F:%.*]], [[ENTRY:%.*]] ], !dbg !50
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !43, metadata !DIExpression()), !dbg !50
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !44, metadata !DIExpression()), !dbg !51
 ; DEBUG-NEXT:    ret float [[PHI_TC]], !dbg !52
@@ -172,13 +172,13 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]], !dbg !61
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !62
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !62
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !57, metadata !DIExpression()), !dbg !62
 ; DEBUG-NEXT:    br label [[END]], !dbg !63
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[F:%.*]], [[ENTRY:%.*]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[F:%.*]], [[ENTRY:%.*]] ], !dbg !64
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !58, metadata !DIExpression()), !dbg !64
-; DEBUG-NEXT:    [[BC:%.*]] = bitcast float [[PHI_TC]] to i32
+; DEBUG-NEXT:    [[BC:%.*]] = bitcast float [[PHI_TC]] to i32, !dbg !65
 ; DEBUG-NEXT:    store i32 [[BC]], i32* [[D:%.*]], align 4, !dbg !65
 ; DEBUG-NEXT:    ret void, !dbg !66
 ;
@@ -221,16 +221,16 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg !76
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load double, double* [[S:%.*]], align 4, !dbg !77
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast double [[LS]] to i64
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast double [[LS]] to i64, !dbg !77
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata double [[LS]], metadata !70, metadata !DIExpression()), !dbg !77
 ; DEBUG-NEXT:    br label [[END:%.*]], !dbg !78
 ; DEBUG:       else:
 ; DEBUG-NEXT:    [[LD:%.*]] = load double, double* [[D:%.*]], align 4, !dbg !79
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast double [[LD]] to i64
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast double [[LD]] to i64, !dbg !79
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata double [[LD]], metadata !72, metadata !DIExpression()), !dbg !79
 ; DEBUG-NEXT:    br label [[END]], !dbg !80
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i64 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i64 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ], !dbg !81
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata double undef, metadata !73, metadata !DIExpression()), !dbg !81
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[PHI_TC]], metadata !74, metadata !DIExpression()), !dbg !82
 ; DEBUG-NEXT:    ret i64 [[PHI_TC]], !dbg !83
@@ -277,16 +277,16 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg !92
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load float, float* [[S:%.*]], align 4, !dbg !93
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast float [[LS]] to i32
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast float [[LS]] to i32, !dbg !93
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[LS]], metadata !87, metadata !DIExpression()), !dbg !93
 ; DEBUG-NEXT:    br label [[END:%.*]], !dbg !94
 ; DEBUG:       else:
 ; DEBUG-NEXT:    [[LD:%.*]] = load float, float* [[D:%.*]], align 4, !dbg !95
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast float [[LD]] to i32
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast float [[LD]] to i32, !dbg !95
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[LD]], metadata !88, metadata !DIExpression()), !dbg !95
 ; DEBUG-NEXT:    br label [[END]], !dbg !96
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i32 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i32 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ], !dbg !97
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float undef, metadata !89, metadata !DIExpression()), !dbg !97
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[PHI_TC]], metadata !90, metadata !DIExpression()), !dbg !98
 ; DEBUG-NEXT:    ret i32 [[PHI_TC]], !dbg !99
@@ -333,16 +333,16 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg !109
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load half, half* [[S:%.*]], align 4, !dbg !110
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast half [[LS]] to i16
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast half [[LS]] to i16, !dbg !110
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata half [[LS]], metadata !103, metadata !DIExpression()), !dbg !110
 ; DEBUG-NEXT:    br label [[END:%.*]], !dbg !111
 ; DEBUG:       else:
 ; DEBUG-NEXT:    [[LD:%.*]] = load half, half* [[D:%.*]], align 4, !dbg !112
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast half [[LD]] to i16
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast half [[LD]] to i16, !dbg !112
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata half [[LD]], metadata !105, metadata !DIExpression()), !dbg !112
 ; DEBUG-NEXT:    br label [[END]], !dbg !113
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i16 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i16 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ], !dbg !114
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata half undef, metadata !106, metadata !DIExpression()), !dbg !114
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i16 [[PHI_TC]], metadata !107, metadata !DIExpression()), !dbg !115
 ; DEBUG-NEXT:    ret i16 [[PHI_TC]], !dbg !116
@@ -389,16 +389,16 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg !126
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load fp128, fp128* [[S:%.*]], align 4, !dbg !127
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast fp128 [[LS]] to i128
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast fp128 [[LS]] to i128, !dbg !127
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata fp128 [[LS]], metadata !120, metadata !DIExpression()), !dbg !127
 ; DEBUG-NEXT:    br label [[END:%.*]], !dbg !128
 ; DEBUG:       else:
 ; DEBUG-NEXT:    [[LD:%.*]] = load fp128, fp128* [[D:%.*]], align 4, !dbg !129
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast fp128 [[LD]] to i128
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast fp128 [[LD]] to i128, !dbg !129
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata fp128 [[LD]], metadata !122, metadata !DIExpression()), !dbg !129
 ; DEBUG-NEXT:    br label [[END]], !dbg !130
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i128 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi i128 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ], !dbg !131
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata fp128 undef, metadata !123, metadata !DIExpression()), !dbg !131
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i128 [[PHI_TC]], metadata !124, metadata !DIExpression()), !dbg !132
 ; DEBUG-NEXT:    ret i128 [[PHI_TC]], !dbg !133
@@ -499,16 +499,16 @@
 ; DEBUG-NEXT:    [[CMP15:%.*]] = icmp sgt i64 [[N:%.*]], 0, !dbg !161
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[CMP15]], metadata !152, metadata !DIExpression()), !dbg !161
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !162
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !162
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !153, metadata !DIExpression()), !dbg !162
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]], !dbg !163
 ; DEBUG:       loop:
 ; DEBUG-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ], !dbg !164
-; DEBUG-NEXT:    [[LPHI_TC:%.*]] = phi float [ [[LS_BC]], [[ENTRY]] ], [ [[LD_BC:%.*]], [[LOOP]] ]
+; DEBUG-NEXT:    [[LPHI_TC:%.*]] = phi float [ [[LS_BC]], [[ENTRY]] ], [ [[LD_BC:%.*]], [[LOOP]] ], !dbg !165
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[IV]], metadata !154, metadata !DIExpression()), !dbg !164
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !155, metadata !DIExpression()), !dbg !165
 ; DEBUG-NEXT:    [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4, !dbg !166
-; DEBUG-NEXT:    [[LD_BC]] = bitcast i32 [[LD]] to float
+; DEBUG-NEXT:    [[LD_BC]] = bitcast i32 [[LD]] to float, !dbg !166
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LD]], metadata !156, metadata !DIExpression()), !dbg !166
 ; DEBUG-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1, !dbg !167
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[IV_NEXT]], metadata !157, metadata !DIExpression()), !dbg !167
@@ -516,7 +516,7 @@
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[EXITCOND]], metadata !158, metadata !DIExpression()), !dbg !168
 ; DEBUG-NEXT:    br i1 [[EXITCOND]], label [[END]], label [[LOOP]], !dbg !169
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI_TC]], [[LOOP]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI_TC]], [[LOOP]] ], !dbg !170
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !159, metadata !DIExpression()), !dbg !170
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !160, metadata !DIExpression()), !dbg !171
 ; DEBUG-NEXT:    ret float [[PHI_TC]], !dbg !172
@@ -624,18 +624,18 @@
 ; DEBUG-NEXT:    [[CMP15:%.*]] = icmp sgt i64 [[N:%.*]], 0, !dbg !208
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[CMP15]], metadata !198, metadata !DIExpression()), !dbg !208
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !209
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !209
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !199, metadata !DIExpression()), !dbg !209
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]], !dbg !210
 ; DEBUG:       loop:
 ; DEBUG-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ], !dbg !211
-; DEBUG-NEXT:    [[LPHI_TC:%.*]] = phi float [ [[LS_BC]], [[ENTRY]] ], [ [[LD_BC:%.*]], [[LOOP]] ]
-; DEBUG-NEXT:    [[LPHI2_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI_TC]], [[LOOP]] ]
+; DEBUG-NEXT:    [[LPHI_TC:%.*]] = phi float [ [[LS_BC]], [[ENTRY]] ], [ [[LD_BC:%.*]], [[LOOP]] ], !dbg !212
+; DEBUG-NEXT:    [[LPHI2_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI_TC]], [[LOOP]] ], !dbg !213
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[IV]], metadata !200, metadata !DIExpression()), !dbg !211
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !201, metadata !DIExpression()), !dbg !212
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !202, metadata !DIExpression()), !dbg !213
 ; DEBUG-NEXT:    [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4, !dbg !214
-; DEBUG-NEXT:    [[LD_BC]] = bitcast i32 [[LD]] to float
+; DEBUG-NEXT:    [[LD_BC]] = bitcast i32 [[LD]] to float, !dbg !214
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LD]], metadata !203, metadata !DIExpression()), !dbg !214
 ; DEBUG-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1, !dbg !215
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[IV_NEXT]], metadata !204, metadata !DIExpression()), !dbg !215
@@ -643,7 +643,7 @@
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[EXITCOND]], metadata !205, metadata !DIExpression()), !dbg !216
 ; DEBUG-NEXT:    br i1 [[EXITCOND]], label [[END]], label [[LOOP]], !dbg !217
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI2_TC]], [[LOOP]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI2_TC]], [[LOOP]] ], !dbg !218
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !206, metadata !DIExpression()), !dbg !218
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !207, metadata !DIExpression()), !dbg !219
 ; DEBUG-NEXT:    ret float [[PHI_TC]], !dbg !220
@@ -706,34 +706,34 @@
 ; DEBUG-NEXT:    [[CMP:%.*]] = icmp eq i64 [[N:%.*]], 1, !dbg !236
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[CMP]], metadata !223, metadata !DIExpression()), !dbg !236
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !237
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !237
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !224, metadata !DIExpression()), !dbg !237
 ; DEBUG-NEXT:    br i1 [[CMP]], label [[THEN:%.*]], label [[IFEND:%.*]], !dbg !238
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4, !dbg !239
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float, !dbg !239
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LD]], metadata !225, metadata !DIExpression()), !dbg !239
 ; DEBUG-NEXT:    br label [[IFEND]], !dbg !240
 ; DEBUG:       ifend:
-; DEBUG-NEXT:    [[PHI1_TC:%.*]] = phi float [ [[LD_BC]], [[THEN]] ], [ [[LS_BC]], [[ENTRY:%.*]] ]
+; DEBUG-NEXT:    [[PHI1_TC:%.*]] = phi float [ [[LD_BC]], [[THEN]] ], [ [[LS_BC]], [[ENTRY:%.*]] ], !dbg !241
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !226, metadata !DIExpression()), !dbg !241
 ; DEBUG-NEXT:    [[CMP15:%.*]] = icmp sgt i64 [[N]], 0, !dbg !242
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[CMP15]], metadata !227, metadata !DIExpression()), !dbg !242
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]], !dbg !243
 ; DEBUG:       loop:
 ; DEBUG-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[IFEND]] ], [ [[IV_NEXT:%.*]], [[LOOPEND:%.*]] ], !dbg !244
-; DEBUG-NEXT:    [[PHI2_TC:%.*]] = phi float [ [[PHI1_TC]], [[IFEND]] ], [ [[PHI3_TC:%.*]], [[LOOPEND]] ]
+; DEBUG-NEXT:    [[PHI2_TC:%.*]] = phi float [ [[PHI1_TC]], [[IFEND]] ], [ [[PHI3_TC:%.*]], [[LOOPEND]] ], !dbg !245
 ; DEBUG-NEXT:    [[TMP0:%.*]] = icmp eq i64 [[N]], 1, !dbg !236
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[IV]], metadata !228, metadata !DIExpression()), !dbg !244
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !229, metadata !DIExpression()), !dbg !245
 ; DEBUG-NEXT:    br i1 [[TMP0]], label [[LOOPTHEN:%.*]], label [[LOOPEND]], !dbg !246
 ; DEBUG:       loopthen:
 ; DEBUG-NEXT:    [[LL:%.*]] = load i32, i32* [[D]], align 4, !dbg !247
-; DEBUG-NEXT:    [[LL_BC:%.*]] = bitcast i32 [[LL]] to float
+; DEBUG-NEXT:    [[LL_BC:%.*]] = bitcast i32 [[LL]] to float, !dbg !247
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LL]], metadata !230, metadata !DIExpression()), !dbg !247
 ; DEBUG-NEXT:    br label [[LOOPEND]], !dbg !248
 ; DEBUG:       loopend:
-; DEBUG-NEXT:    [[PHI3_TC]] = phi float [ [[LL_BC]], [[LOOPTHEN]] ], [ [[PHI2_TC]], [[LOOP]] ]
+; DEBUG-NEXT:    [[PHI3_TC]] = phi float [ [[LL_BC]], [[LOOPTHEN]] ], [ [[PHI2_TC]], [[LOOP]] ], !dbg !249
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !231, metadata !DIExpression()), !dbg !249
 ; DEBUG-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1, !dbg !250
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i64 [[IV_NEXT]], metadata !232, metadata !DIExpression()), !dbg !250
@@ -741,7 +741,7 @@
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[EXITCOND]], metadata !233, metadata !DIExpression()), !dbg !251
 ; DEBUG-NEXT:    br i1 [[EXITCOND]], label [[END]], label [[LOOP]], !dbg !252
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[PHI1_TC]], [[IFEND]] ], [ [[PHI3_TC]], [[LOOPEND]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[PHI1_TC]], [[IFEND]] ], [ [[PHI3_TC]], [[LOOPEND]] ], !dbg !253
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !234, metadata !DIExpression()), !dbg !253
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !235, metadata !DIExpression()), !dbg !254
 ; DEBUG-NEXT:    ret float [[PHI_TC]], !dbg !255
@@ -924,16 +924,16 @@
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg !300
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !301
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !301
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !295, metadata !DIExpression()), !dbg !301
 ; DEBUG-NEXT:    br label [[END:%.*]], !dbg !302
 ; DEBUG:       else:
 ; DEBUG-NEXT:    [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4, !dbg !303
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float, !dbg !303
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LD]], metadata !296, metadata !DIExpression()), !dbg !303
 ; DEBUG-NEXT:    br label [[END]], !dbg !304
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ], !dbg !305
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !297, metadata !DIExpression()), !dbg !305
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !298, metadata !DIExpression()), !dbg !306
 ; DEBUG-NEXT:    store float [[PHI_TC]], float* [[E:%.*]], align 4, !dbg !307
@@ -988,20 +988,20 @@
 ; DEBUG-NEXT:    [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0, !dbg !318
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i1 [[CMP15]], metadata !311, metadata !DIExpression()), !dbg !318
 ; DEBUG-NEXT:    [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4, !dbg !319
-; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float
+; DEBUG-NEXT:    [[LD_BC:%.*]] = bitcast i32 [[LD]] to float, !dbg !319
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LD]], metadata !312, metadata !DIExpression()), !dbg !319
 ; DEBUG-NEXT:    br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]], !dbg !320
 ; DEBUG:       then:
 ; DEBUG-NEXT:    [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4, !dbg !321
-; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
+; DEBUG-NEXT:    [[LS_BC:%.*]] = bitcast i32 [[LS]] to float, !dbg !321
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 [[LS]], metadata !313, metadata !DIExpression()), !dbg !321
 ; DEBUG-NEXT:    br label [[END]], !dbg !322
 ; DEBUG:       end:
-; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ENTRY:%.*]] ]
+; DEBUG-NEXT:    [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ENTRY:%.*]] ], !dbg !323
 ; DEBUG-NEXT:    [[TMP0:%.*]] = icmp sgt i32 [[N]], 0, !dbg !318
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata i32 undef, metadata !314, metadata !DIExpression()), !dbg !323
 ; DEBUG-NEXT:    call void @llvm.dbg.value(metadata float [[PHI_TC]], metadata !315, metadata !DIExpression()), !dbg !324
-; DEBUG-NEXT:    [[BC:%.*]] = bitcast float [[PHI_TC]] to i32
+; DEBUG-NEXT:    [[BC:%.*]] = bitcast float [[PHI_TC]] to i32, !dbg !325
 ; DEBUG-NEXT:    store i32 [[BC]], i32* [[S]], align 4, !dbg !325
 ; DEBUG-NEXT:    br i1 [[TMP0]], label [[THEN2:%.*]], label [[END2:%.*]], !dbg !326
 ; DEBUG:       then2: